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Easy Potato Gratin

Easy Potato Gratin: Creamy Layers of Comfort for Dinner

Easy Potato Gratin is a comforting dish filled with creamy layers, perfect for dinner gatherings.
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Prep Time 20 minutes
Cook Time 1 hour
Resting Time 10 minutes
Total Time 1 hour 30 minutes
Servings: 6 servings
Course: Dinner
Cuisine: American
Calories: 350
Ingredients Equipment Method Nutrition Notes

Ingredients
  

For the Gratin
  • 2 lbs Russet or Yukon Gold Potatoes Choose for the best creamy texture; avoid waxy potatoes.
  • 4 tablespoons Butter Adds richness to the sauce.
  • 1 medium Onion Sautéed for natural sweetness.
  • 2 cloves Garlic Fresh garlic for flavor.
  • 1 tablespoon Fresh Thyme Can swap with dried thyme.
  • 4 tablespoons Flour Opt for all-purpose flour.
  • 2 cups Whole Milk Gives a rich base; avoid low-fat.
  • 2 cups Gruyere Cheese (grated) Melts beautifully.
  • 1 pinch Nutmeg Optional but recommended.
  • to taste Salt & Pepper Essential for seasoning.
For the Topping
  • 1 cup Gruyere Cheese (grated) Reserve some for topping.

Equipment

  • 9x13-inch baking dish
  • Medium saucepan
  • Mandoline

Method
 

Step-by-Step Instructions
  1. Preheat your oven to 350°F (175°C) and butter the baking dish.
  2. Wash and peel the potatoes. Slice them into 1/8-inch rounds using a mandoline.
  3. Melt butter in a medium saucepan, sauté onion for 3-4 minutes, then add garlic and thyme.
  4. Sprinkle in flour, form a roux, whisk in milk, thicken, and then stir in Gruyere cheese and seasonings.
  5. Spread a thin layer of sauce in the baking dish, layer half of the potato slices, season, and pour half the sauce over them. Repeat this process.
  6. Top with remaining Gruyere cheese, cover with foil, and bake for 45-60 minutes. Remove foil for the last 15-20 minutes to brown the top.
  7. Remove from oven, let it rest for 10 minutes before serving.

Nutrition

Serving: 1servingCalories: 350kcalCarbohydrates: 35gProtein: 10gFat: 20gSaturated Fat: 11gPolyunsaturated Fat: 1gMonounsaturated Fat: 8gCholesterol: 50mgSodium: 600mgPotassium: 600mgFiber: 3gSugar: 2gVitamin A: 500IUVitamin C: 10mgCalcium: 200mgIron: 1.5mg

Notes

Ensure potato slices are uniform for even cooking. Season each layer with salt and pepper for flavor.

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